1 files changed, 81 insertions, 0 deletions
diff --git a/plugins/jetpack/sync/class.jetpack-sync-users.php b/plugins/jetpack/sync/class.jetpack-sync-users.php
new file mode 100644
index 00000000..de032e2d
--- /dev/null
+++ b/plugins/jetpack/sync/class.jetpack-sync-users.php
@@ -0,0 +1,81 @@
+<?php
+
+/**
+ * Class Jetpack_Sync_Users
+ *
+ * Responsible for syncing user data changes.
+ */
+class Jetpack_Sync_Users {
+	static $user_roles = array();
+
+	static function init() {
+		if ( Jetpack::is_active() ) {
+			// Kick off synchronization of user role when it changes
+			add_action( 'set_user_role', array( __CLASS__, 'user_role_change' ) );
+		}
+	}
+
+	/**
+	 * Synchronize connected user role changes
+	 */
+	static function user_role_change( $user_id ) {
+		if ( Jetpack::is_user_connected( $user_id ) ) {
+			self::update_role_on_com( $user_id );
+			// try to choose a new master if we're demoting the current one
+			self::maybe_demote_master_user( $user_id );
+		}
+	}
+
+	static function get_role( $user_id ) {
+		if ( isset( self::$user_roles[ $user_id ] ) ) {
+			return self::$user_roles[ $user_id ];
+		}
+
+		$current_user_id = get_current_user_id();
+		wp_set_current_user( $user_id );
+		$role = Jetpack::translate_current_user_to_role();
+		wp_set_current_user( $current_user_id );
+		$user_roles[ $user_id ] = $role;
+
+		return $role;
+	}
+
+	static function get_signed_role( $user_id ) {
+		return Jetpack::sign_role( self::get_role( $user_id ), $user_id );
+	}
+
+	static function update_role_on_com( $user_id ) {
+		$signed_role = self::get_signed_role( $user_id );
+		Jetpack::xmlrpc_async_call( 'jetpack.updateRole', $user_id, $signed_role );
+	}
+
+	static function maybe_demote_master_user( $user_id ) {
+		$master_user_id = Jetpack_Options::get_option( 'master_user' );
+		$role           = self::get_role( $user_id );
+		if ( $user_id == $master_user_id && 'administrator' != $role ) {
+			$query      = new WP_User_Query(
+				array(
+					'fields'  => array( 'id' ),
+					'role'    => 'administrator',
+					'orderby' => 'id',
+					'exclude' => array( $master_user_id ),
+				)
+			);
+			$new_master = false;
+			foreach ( $query->results as $result ) {
+				$found_user_id = absint( $result->id );
+				if ( $found_user_id && Jetpack::is_user_connected( $found_user_id ) ) {
+					$new_master = $found_user_id;
+					break;
+				}
+			}
+
+			if ( $new_master ) {
+				Jetpack_Options::update_option( 'master_user', $new_master );
+			}
+			// else disconnect..?
+		}
+	}
+}
+
+Jetpack_Sync_Users::init();